How to avoid going over your broadband data cap
Mark Hachman / IDG If you then click the Data usage button, Windows will break down the data usage by app, across the data connection. The drop-down menu should adjust this by the various networking options available, but I had to disconnect again to see my Wi-Fi data usage per app.) You can also click the Enter limit button under the Data limit heading to enter a data limit, to prevent yourself from being charged. But this is a data limit only for this PC, and therefore not that useful if you own other devices. Mark Hachman / IDG , check within the phone’s
Source: pcworld.com